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                    <a href="index.html" class="text-xl font-bold gradient-text">绿氨储能</a>
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                <h1 class="text-5xl font-bold mb-6">
                    <span class="gradient-text">经济效益分析</span>
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                <p class="text-xl text-slate-300 max-w-3xl mx-auto">
                    绿氨船通过"零碳税+燃料平价+氨储能套利"三重现金流，投资回收期&lt;2年，具备超高经济效益
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    <!-- Financial Metrics Overview -->
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                <h2 class="text-3xl font-bold mb-6">核心财务指标</h2>
                <p class="text-lg text-slate-300">以23,000 TEU箱船为例的详细经济分析</p>
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            <div class="grid md:grid-cols-2 lg:grid-cols-4 gap-8 mb-16">
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                    <div class="text-3xl font-bold text-teal-400 mb-2">1200万$</div>
                    <div class="text-sm text-slate-300 mb-4">增加CAPEX</div>
                    <div class="text-xs text-slate-400">主机+氨舱改造</div>
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                <div class="financial-metric p-8 rounded-2xl text-center">
                    <div class="text-3xl font-bold text-green-400 mb-2">600万$/年</div>
                    <div class="text-sm text-slate-300 mb-4">OPEX节省</div>
                    <div class="text-xs text-slate-400">免碳税+燃料平价</div>
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                <div class="financial-metric p-8 rounded-2xl text-center">
                    <div class="text-3xl font-bold text-blue-400 mb-2">756万$/年</div>
                    <div class="text-sm text-slate-300 mb-4">套利收益</div>
                    <div class="text-xs text-slate-400">移动储能银行</div>
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                <div class="financial-metric p-8 rounded-2xl text-center">
                    <div class="text-3xl font-bold text-purple-400 mb-2">1.6年</div>
                    <div class="text-sm text-slate-300 mb-4">投资回收期</div>
                    <div class="text-xs text-slate-400">三重现金流</div>
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    <!-- CAPEX Analysis -->
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                <h2 class="text-3xl font-bold mb-6">资本性支出(CAPEX)分析</h2>
                <p class="text-lg text-slate-300">传统重油方案 vs 绿氨双燃料方案</p>
            </div>

            <div class="grid lg:grid-cols-2 gap-12 items-center mb-16">
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                        <h3 class="text-xl font-bold mb-6 text-center">方案对比</h3>
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                            <div class="flex justify-between items-center p-4 bg-slate-700 rounded-lg">
                                <span class="text-slate-300">传统重油+脱硫塔</span>
                                <span class="font-bold text-white">2200万美元</span>
                            </div>
                            <div class="flex justify-between items-center p-4 bg-teal-500/20 rounded-lg border border-teal-400/30">
                                <span class="text-slate-300">绿氨双燃料+氨舱</span>
                                <span class="font-bold text-teal-400">3400万美元</span>
                            </div>
                            <div class="flex justify-between items-center p-4 bg-red-500/20 rounded-lg">
                                <span class="text-slate-300">增加投资</span>
                                <span class="font-bold text-red-400">+1200万美元</span>
                            </div>
                        </div>
                    </div>
                    
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                        <h3 class="text-xl font-bold mb-6">成本构成</h3>
                        <div class="space-y-3">
                            <div class="flex justify-between">
                                <span class="text-slate-300">主机+SCR+脱硫塔</span>
                                <span class="text-white">2200万美元</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">氨喷射系统</span>
                                <span class="text-teal-400">+300万美元</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">8,000 m³重油舱</span>
                                <span class="text-white">标准配置</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">11,000 m³液氨舱</span>
                                <span class="text-teal-400">+900万美元</span>
                            </div>
                        </div>
                    </div>
                </div>
                
                <div>
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    <!-- OPEX Analysis -->
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                <h2 class="text-3xl font-bold mb-6">运营性支出(OPEX)分析</h2>
                <p class="text-lg text-slate-300">亚欧航线往返21,000海里，年跑6圈</p>
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                        <h3 class="text-xl font-bold mb-6">燃料成本对比</h3>
                        <div class="space-y-4">
                            <div class="p-4 bg-slate-800 rounded-lg">
                                <div class="flex justify-between items-center mb-2">
                                    <span class="text-slate-300">传统重油</span>
                                    <span class="font-bold text-white">2420万美元/年</span>
                                </div>
                                <div class="text-xs text-slate-400">44,000吨 × 550 $·t⁻¹</div>
                            </div>
                            <div class="p-4 bg-teal-500/20 rounded-lg border border-teal-400/30">
                                <div class="flex justify-between items-center mb-2">
                                    <span class="text-slate-300">绿氨燃料</span>
                                    <span class="font-bold text-teal-400">2340万美元/年</span>
                                </div>
                                <div class="text-xs text-slate-400">52,000吨 × 450 $·t⁻¹</div>
                            </div>
                        </div>
                    </div>
                    
                    <div class="bg-slate-900 p-8 rounded-2xl">
                        <h3 class="text-xl font-bold mb-6">额外成本/收益</h3>
                        <div class="space-y-3">
                            <div class="flex justify-between">
                                <span class="text-slate-300">重油脱硫剂+碳税</span>
                                <span class="text-red-400">+600万美元/年</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">绿氨碳税</span>
                                <span class="text-green-400">0美元/年</span>
                            </div>
                            <div class="border-t border-slate-600 pt-3">
                                <div class="flex justify-between font-bold">
                                    <span class="text-white">年净节省</span>
                                    <span class="text-green-400">600万美元/年</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Energy Arbitrage Model -->
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            <div class="text-center mb-12">
                <h2 class="text-3xl font-bold mb-6">"移动储能银行"套利模式</h2>
                <p class="text-lg text-slate-300">绿氨在船上不仅是燃料，还是"浮动的长时储能仓"</p>
            </div>

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                        <h3 class="text-xl font-bold mb-6">套利机制</h3>
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                                <div class="w-8 h-8 bg-teal-500 rounded-full flex items-center justify-center text-sm font-bold">1</div>
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                                    <h4 class="font-semibold text-white">低价制氨</h4>
                                    <p class="text-sm text-slate-300">内蒙古绿电大发时段（弃风弃光&lt;0.15元·kWh）</p>
                                </div>
                            </div>
                            <div class="flex items-start space-x-4">
                                <div class="w-8 h-8 bg-teal-500 rounded-full flex items-center justify-center text-sm font-bold">2</div>
                                <div>
                                    <h4 class="font-semibold text-white">代储交付</h4>
                                    <p class="text-sm text-slate-300">电厂把富余电力制成绿氨，以"代储"方式交付船东</p>
                                </div>
                            </div>
                            <div class="flex items-start space-x-4">
                                <div class="w-8 h-8 bg-teal-500 rounded-full flex items-center justify-center text-sm font-bold">3</div>
                                <div>
                                    <h4 class="font-semibold text-white">套利出售</h4>
                                    <p class="text-sm text-slate-300">在鹿特丹、新加坡等港按"现货氨价+套利分成"出售</p>
                                </div>
                            </div>
                        </div>
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                        <h3 class="text-xl font-bold mb-6">收益计算</h3>
                        <div class="space-y-3">
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                                <span class="text-slate-300">单船化学能</span>
                                <span class="text-white">约14 GWh</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">套利价差</span>
                                <span class="text-white">3%</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">年跑圈数</span>
                                <span class="text-white">6圈</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">单位收益</span>
                                <span class="text-white">30 $·MWh⁻¹</span>
                            </div>
                            <div class="border-t border-slate-600 pt-3">
                                <div class="flex justify-between font-bold">
                                    <span class="text-white">年套利收益</span>
                                    <span class="text-green-400">756万美元</span>
                                </div>
                            </div>
                        </div>
                    </div>
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    <!-- Investment ROI Analysis -->
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            <div class="text-center mb-12">
                <h2 class="text-3xl font-bold mb-6">投资回报分析</h2>
                <p class="text-lg text-slate-300">三重现金流驱动下的投资回收</p>
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                    <div id="roiChart" class="w-full h-96 bg-slate-900 rounded-2xl p-8"></div>
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                <div class="space-y-6">
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                        <h3 class="text-xl font-bold mb-6">现金流构成</h3>
                        <div class="space-y-4">
                            <div class="flex justify-between items-center p-4 bg-green-500/20 rounded-lg">
                                <span class="text-slate-300">燃料节省</span>
                                <span class="font-bold text-green-400">600万$/年</span>
                            </div>
                            <div class="flex justify-between items-center p-4 bg-blue-500/20 rounded-lg">
                                <span class="text-slate-300">储能套利</span>
                                <span class="font-bold text-blue-400">756万$/年</span>
                            </div>
                            <div class="flex justify-between items-center p-4 bg-purple-500/20 rounded-lg">
                                <span class="text-slate-300">碳税避免</span>
                                <span class="font-bold text-purple-400">600万$/年</span>
                            </div>
                            <div class="border-t border-slate-600 pt-4">
                                <div class="flex justify-between items-center p-4 bg-teal-500/20 rounded-lg">
                                    <span class="text-slate-300 font-bold">总年收益</span>
                                    <span class="font-bold text-teal-400 text-xl">1956万$/年</span>
                                </div>
                            </div>
                        </div>
                    </div>
                    
                    <div class="bg-slate-900 p-8 rounded-2xl">
                        <h3 class="text-xl font-bold mb-6">敏感性分析</h3>
                        <div class="space-y-3">
                            <div class="flex justify-between">
                                <span class="text-slate-300">基础情况(碳税100$/t)</span>
                                <span class="text-green-400">1.6年</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">高碳税(>100$/t)</span>
                                <span class="text-green-400">&lt;1.3年</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">氨价波动±20%</span>
                                <span class="text-yellow-400">1.8-2.2年</span>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Project Case Study -->
    <section class="py-16 bg-slate-900">
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            <div class="text-center mb-12">
                <h2 class="text-3xl font-bold mb-6">项目案例：远景赤峰152万吨项目</h2>
                <p class="text-lg text-slate-300">绿氨产业化的标杆项目</p>
            </div>

            <div class="grid lg:grid-cols-2 gap-12 items-center">
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                        <h3 class="text-xl font-bold mb-6">项目概况</h3>
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                            <div class="flex justify-between">
                                <span class="text-slate-300">总投资</span>
                                <span class="text-white font-bold">120亿元</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">年销售收入</span>
                                <span class="text-white font-bold">50亿元</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">年净利润</span>
                                <span class="text-green-400 font-bold">18亿元</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">投资回收期</span>
                                <span class="text-teal-400 font-bold">6.7年</span>
                            </div>
                        </div>
                    </div>
                    
                    <div class="bg-slate-800 p-8 rounded-2xl">
                        <h3 class="text-xl font-bold mb-6">成本结构</h3>
                        <div class="space-y-3">
                            <div class="flex justify-between">
                                <span class="text-slate-300">绿氨现金成本</span>
                                <span class="text-white">1450元·t⁻¹</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">电价</span>
                                <span class="text-white">0.18元·kWh⁻¹</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">传统灰氨成本</span>
                                <span class="text-white">1300元·t⁻¹</span>
                            </div>
                            <div class="flex justify-between">
                                <span class="text-slate-300">碳减排收益</span>
                                <span class="text-green-400">+210元·t⁻¹</span>
                            </div>
                        </div>
                    </div>
                </div>
                
                <div>
                    <div id="projectChart" class="w-full h-96 bg-slate-800 rounded-2xl p-8"></div>
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    <script>
        document.addEventListener('DOMContentLoaded', function() {
            // CAPEX Chart
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            const capexOption = {
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                    data: [
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                        { value: 300, name: '氨喷射系统', itemStyle: { color: '#5eead4' } },
                        { value: 900, name: '液氨舱', itemStyle: { color: '#06b6d4' } }
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            // OPEX Chart
            const opexChart = echarts.init(document.getElementById('opexChart'));
            const opexOption = {
                backgroundColor: 'transparent',
                tooltip: {
                    trigger: 'axis',
                    backgroundColor: '#1e293b',
                    borderColor: '#5eead4',
                    textStyle: { color: '#fff' }
                },
                legend: {
                    data: ['传统重油', '绿氨燃料'],
                    textStyle: { color: '#94a3b8' }
                },
                xAxis: {
                    type: 'category',
                    data: ['燃料成本', '碳税成本', '总成本'],
                    axisLine: { lineStyle: { color: '#475569' } },
                    axisLabel: { color: '#94a3b8' }
                },
                yAxis: {
                    type: 'value',
                    name: '万美元/年',
                    axisLine: { lineStyle: { color: '#475569' } },
                    axisLabel: { color: '#94a3b8' },
                    splitLine: { lineStyle: { color: '#374151' } }
                },
                series: [
                    {
                        name: '传统重油',
                        type: 'bar',
                        data: [2420, 600, 3020],
                        itemStyle: { color: '#64748b' }
                    },
                    {
                        name: '绿氨燃料',
                        type: 'bar',
                        data: [2340, 0, 2340],
                        itemStyle: { color: '#5eead4' }
                    }
                ]
            };
            opexChart.setOption(opexOption);

            // Arbitrage Chart
            const arbitrageChart = echarts.init(document.getElementById('arbitrageChart'));
            const arbitrageOption = {
                backgroundColor: 'transparent',
                tooltip: {
                    trigger: 'axis',
                    backgroundColor: '#1e293b',
                    borderColor: '#5eead4',
                    textStyle: { color: '#fff' }
                },
                xAxis: {
                    type: 'category',
                    data: ['第1圈', '第2圈', '第3圈', '第4圈', '第5圈', '第6圈'],
                    axisLine: { lineStyle: { color: '#475569' } },
                    axisLabel: { color: '#94a3b8' }
                },
                yAxis: {
                    type: 'value',
                    name: '万美元',
                    axisLine: { lineStyle: { color: '#475569' } },
                    axisLabel: { color: '#94a3b8' },
                    splitLine: { lineStyle: { color: '#374151' } }
                },
                series: [{
                    name: '套利收益',
                    type: 'line',
                    data: [126, 126, 126, 126, 126, 126],
                    lineStyle: { color: '#5eead4', width: 3 },
                    itemStyle: { color: '#5eead4' },
                    areaStyle: { color: 'rgba(94, 234, 212, 0.2)' }
                }]
            };
            arbitrageChart.setOption(arbitrageOption);

            // ROI Chart
            const roiChart = echarts.init(document.getElementById('roiChart'));
            const roiOption = {
                backgroundColor: 'transparent',
                tooltip: {
                    trigger: 'axis',
                    backgroundColor: '#1e293b',
                    borderColor: '#5eead4',
                    textStyle: { color: '#fff' }
                },
                legend: {
                    data: ['累计收益', '投资成本'],
                    textStyle: { color: '#94a3b8' }
                },
                xAxis: {
                    type: 'category',
                    data: ['第1年', '第2年', '第3年', '第4年', '第5年'],
                    axisLine: { lineStyle: { color: '#475569' } },
                    axisLabel: { color: '#94a3b8' }
                },
                yAxis: {
                    type: 'value',
                    name: '万美元',
                    axisLine: { lineStyle: { color: '#475569' } },
                    axisLabel: { color: '#94a3b8' },
                    splitLine: { lineStyle: { color: '#374151' } }
                },
                series: [
                    {
                        name: '累计收益',
                        type: 'bar',
                        data: [1956, 3912, 5868, 7824, 9780],
                        itemStyle: { color: '#5eead4' }
                    },
                    {
                        name: '投资成本',
                        type: 'line',
                        data: [1200, 1200, 1200, 1200, 1200],
                        lineStyle: { color: '#ef4444', type: 'dashed', width: 2 },
                        itemStyle: { color: '#ef4444' }
                    }
                ]
            };
            roiChart.setOption(roiOption);

            // Project Chart
            const projectChart = echarts.init(document.getElementById('projectChart'));
            const projectOption = {
                backgroundColor: 'transparent',
                tooltip: {
                    trigger: 'item',
                    backgroundColor: '#1e293b',
                    borderColor: '#5eead4',
                    textStyle: { color: '#fff' }
                },
                legend: {
                    orient: 'vertical',
                    left: 'left',
                    textStyle: { color: '#94a3b8' }
                },
                series: [{
                    name: '投资构成',
                    type: 'pie',
                    radius: ['40%', '70%'],
                    data: [
                        { value: 50, name: '风光电站', itemStyle: { color: '#5eead4' } },
                        { value: 30, name: '电解槽', itemStyle: { color: '#06b6d4' } },
                        { value: 15, name: '合成氨装置', itemStyle: { color: '#10b981' } },
                        { value: 5, name: '储罐及配套', itemStyle: { color: '#f59e0b' } }
                    ],
                    emphasis: {
                        itemStyle: {
                            shadowBlur: 10,
                            shadowOffsetX: 0,
                            shadowColor: 'rgba(0, 0, 0, 0.5)'
                        }
                    }
                }]
            };
            projectChart.setOption(projectOption);

            // Resize charts on window resize
            window.addEventListener('resize', () => {
                capexChart.resize();
                opexChart.resize();
                arbitrageChart.resize();
                roiChart.resize();
                projectChart.resize();
            });
        });
    </script>
</body>
</html>